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/* GDK - The GIMP Drawing Kit
* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdlib.h>
#include "gdkdevice-broadway.h"
#include "gdksurfaceprivate.h"
#include "gdkprivate-broadway.h"
static void gdk_broadway_device_set_surface_cursor (GdkDevice *device,
GdkSurface *surface,
GdkCursor *cursor);
static GdkGrabStatus gdk_broadway_device_grab (GdkDevice *device,
GdkSurface *surface,
gboolean owner_events,
GdkEventMask event_mask,
GdkSurface *confine_to,
GdkCursor *cursor,
guint32 time_);
static void gdk_broadway_device_ungrab (GdkDevice *device,
guint32 time_);
static GdkSurface * gdk_broadway_device_surface_at_position (GdkDevice *device,
double *win_x,
double *win_y,
GdkModifierType *mask);
G_DEFINE_TYPE (GdkBroadwayDevice, gdk_broadway_device, GDK_TYPE_DEVICE)
static void
gdk_broadway_device_class_init (GdkBroadwayDeviceClass *klass)
{
GdkDeviceClass *device_class = GDK_DEVICE_CLASS (klass);
device_class->set_surface_cursor = gdk_broadway_device_set_surface_cursor;
device_class->grab = gdk_broadway_device_grab;
device_class->ungrab = gdk_broadway_device_ungrab;
device_class->surface_at_position = gdk_broadway_device_surface_at_position;
}
static void
gdk_broadway_device_init (GdkBroadwayDevice *device_core)
{
GdkDevice *device;
device = GDK_DEVICE (device_core);
_gdk_device_add_axis (device, GDK_AXIS_X, 0, 0, 1);
_gdk_device_add_axis (device, GDK_AXIS_Y, 0, 0, 1);
}
static void
gdk_broadway_device_set_surface_cursor (GdkDevice *device,
GdkSurface *surface,
GdkCursor *cursor)
{
}
void
gdk_broadway_device_query_state (GdkDevice *device,
GdkSurface *surface,
double *win_x,
double *win_y,
GdkModifierType *mask)
{
GdkDisplay *display;
GdkBroadwayDisplay *broadway_display;
gint32 device_root_x, device_root_y;
guint32 mouse_toplevel_id;
guint32 mask32;
if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE)
return;
display = gdk_device_get_display (device);
broadway_display = GDK_BROADWAY_DISPLAY (display);
_gdk_broadway_server_query_mouse (broadway_display->server,
&mouse_toplevel_id,
&device_root_x,
&device_root_y,
&mask32);
if (win_x)
*win_x = device_root_x;
if (win_y)
*win_y = device_root_y;
if (mask)
*mask = mask32;
}
void
_gdk_broadway_surface_grab_check_unmap (GdkSurface *surface,
gulong serial)
{
GdkDisplay *display = gdk_surface_get_display (surface);
GdkSeat *seat;
GList *devices, *d;
seat = gdk_display_get_default_seat (display);
devices = gdk_seat_get_devices (seat, GDK_SEAT_CAPABILITY_ALL);
devices = g_list_prepend (devices, gdk_seat_get_keyboard (seat));
devices = g_list_prepend (devices, gdk_seat_get_pointer (seat));
/* End all grabs on the newly hidden surface */
for (d = devices; d; d = d->next)
_gdk_display_end_device_grab (display, d->data, serial, surface, TRUE);
g_list_free (devices);
}
void
_gdk_broadway_surface_grab_check_destroy (GdkSurface *surface)
{
GdkDisplay *display = gdk_surface_get_display (surface);
GdkSeat *seat;
GdkDeviceGrabInfo *grab;
GList *devices, *d;
seat = gdk_display_get_default_seat (display);
devices = NULL;
devices = g_list_prepend (devices, gdk_seat_get_keyboard (seat));
devices = g_list_prepend (devices, gdk_seat_get_pointer (seat));
for (d = devices; d; d = d->next)
{
/* Make sure there is no lasting grab in this native surface */
grab = _gdk_display_get_last_device_grab (display, d->data);
if (grab && grab->surface == surface)
{
grab->serial_end = grab->serial_start;
grab->implicit_ungrab = TRUE;
}
}
g_list_free (devices);
}
static GdkGrabStatus
gdk_broadway_device_grab (GdkDevice *device,
GdkSurface *surface,
gboolean owner_events,
GdkEventMask event_mask,
GdkSurface *confine_to,
GdkCursor *cursor,
guint32 time_)
{
GdkDisplay *display;
GdkBroadwayDisplay *broadway_display;
display = gdk_device_get_display (device);
broadway_display = GDK_BROADWAY_DISPLAY (display);
if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
{
/* Device is a keyboard */
return GDK_GRAB_SUCCESS;
}
else
{
/* Device is a pointer */
return _gdk_broadway_server_grab_pointer (broadway_display->server,
GDK_BROADWAY_SURFACE (surface)->id,
owner_events,
event_mask,
time_);
}
}
#define TIME_IS_LATER(time1, time2) \
( (( time1 > time2 ) && ( time1 - time2 < ((guint32)-1)/2 )) || \
(( time1 < time2 ) && ( time2 - time1 > ((guint32)-1)/2 )) \
)
static void
gdk_broadway_device_ungrab (GdkDevice *device,
guint32 time_)
{
GdkDisplay *display;
GdkBroadwayDisplay *broadway_display;
GdkDeviceGrabInfo *grab;
guint32 serial;
display = gdk_device_get_display (device);
broadway_display = GDK_BROADWAY_DISPLAY (display);
if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
{
/* Device is a keyboard */
}
else
{
/* Device is a pointer */
serial = _gdk_broadway_server_ungrab_pointer (broadway_display->server, time_);
if (serial != 0)
{
grab = _gdk_display_get_last_device_grab (display, device);
if (grab &&
(time_ == GDK_CURRENT_TIME ||
grab->time == GDK_CURRENT_TIME ||
!TIME_IS_LATER (grab->time, time_)))
grab->serial_end = serial;
}
}
}
static GdkSurface *
gdk_broadway_device_surface_at_position (GdkDevice *device,
double *win_x,
double *win_y,
GdkModifierType *mask)
{
GdkDisplay *display;
GdkBroadwayDisplay *broadway_display;
gint32 device_root_x, device_root_y;
guint32 mouse_toplevel_id;
guint32 mask32;
if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE)
return NULL;
display = gdk_device_get_display (device);
broadway_display = GDK_BROADWAY_DISPLAY (display);
_gdk_broadway_server_query_mouse (broadway_display->server,
&mouse_toplevel_id,
&device_root_x,
&device_root_y,
&mask32);
if (win_x)
*win_x = device_root_x;
if (win_y)
*win_y = device_root_y;
if (mask)
*mask = mask32;
return g_hash_table_lookup (broadway_display->id_ht,
GUINT_TO_POINTER (mouse_toplevel_id));
}
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